- Richard Barbieri
- Stranger Inside
- 2008
- Performer
- Richard Barbieri
- Stranger Inside
- 2008
- Producer
- Porcupine Tree
- Lightbulb Sun (Bonus DVD)
- 2008
- Clavicembalo, Fender Rhodes, Organ (Hammond), Synthesizer, Mellotron, Synthesizer Drums
- Porcupine Tree
- Nil Recurring
- 2008
- Keyboards, Synthesizer
- Richard Barbieri
- Things Buried
- 2007
- Electronic Percussion, Engineer, Mixing, Producer, Keyboards, Synthesizer
- Porcupine Tree
- Fear of a Blank Planet
- 2007
- Keyboards, Synthesizer
- Blackfield
- Blackfield II
- 2007
- Piano (Electric), Stylophone
- Japan
- Obscure Alternatives (Bonus Tracks)
- 2006
- Keyboards, Synthesizer
- Japan
- Quiet Life (Bonus Tracks)
- 2006
- Synthesizer, Keyboards
- Porcupine Tree
- Stupid Dream (CD/DVD)
- 2006
- Glockenspiel, Mellotron, Organ (Hammond), Synthesizer, Piano
- Porcupine Tree
- Porcupine Tree
- 2006
- Group Member, Keyboards
- No-Man
- All The Blue Changes: An Anthology 1988-2003
- 2006
- Programming, Synthesizer
- No-Man
- Flowermouth (Bonus Tracks)
- 2005
- Electronics, Performer
- Porcupine Tree
- Up the Downstair (Bonus Disc)
- 2005
- Electronics
- Porcupine Tree
- Deadwing (DVD Audio/Video)
- 2005
- Keyboards, Producer, Synthesizer
- Porcupine Tree
- Deadwing
- 2005
- Keyboards, Producer, Synthesizer
- Shawn Lee
- Moods and Grooves: Ubiquity Studio Sessions, Vol. 2
- 2005
- Synthesizer
- Porcupine Tree
- Warszawa
- 2005
- Keyboards
- Porcupine Tree
- Stars Die: The Delerium Years '91-97 (2005 Reissue)
- 2005
- Electronics, Synthesizer, Prophet 5, Keyboards, Organ (Hammond)
- Various Artists
- Left of the Dial: Dispatches from the '80s Underground
- 2004
- Keyboards, Tapes
- Porcupine Tree
- Coma Divine: Recorded Live in Rome (Bonus Disc)
- 2004
- Keyboards, Synthesizer
- Japan
- Assemblage (Germany Bonus Tracks)
- 2004
- Group Member, Synthesizer, Keyboards
- Japan
- Adolescent Sex (Expanded)
- 2004
- Keyboards
- Japan
- Quiet Life (Expanded)
- 2004
- Synthesizer
- Japan
- Adolescent Sex (Expanded)
- 2004
- Vocals
- Japan
- Obscure Alternatives (Expanded)
- 2004
- Synthesizer
- Japan
- Quiet Life (Expanded)
- 2004
- Keyboards
- Japan
- Obscure Alternatives (Expanded)
- 2004
- Keyboards
- David Sylvian
- Gone to Earth (Reissue)
- 2003
- Atmosphere
- Porcupine Tree
- Signify (Bonus Disc)
- 2003
- Electronics, Group Member, Organ (Hammond), Sequencing, Tapes, Synthesizer, Sequencers, Prophet Synthesizer, Prophet 5
- Japan
- Tin Drum (Expanded)
- 2003
- Keyboard Programming, Keyboards
- Japan
- Oil on Canvas (Expanded)
- 2003
- Saxophone, Vocals, Clarinet, Bass
- Japan
- Tin Drum (Expanded)
- 2003
- Tapes
- Rain Tree Crow
- Rain Tree Crow (Bonus Track)
- 2003
- Keyboard Programming, Organ, Sound Effects, Synthesizer, Piano
- Porcupine Tree
- Sky Moves Sideways (Bonus Disc)
- 2003
- Electronics
- Richard Barbieri
- Second Nature
- 2003
- Main Performer
- Porcupine Tree
- Sky Moves Sideways (Bonus Disc)
- 2003
- Synthesizer
- Porcupine Tree
- In Absentia
- 2002
- ?
- Cipher
- One Who Whispers
- 2002
- Electronics, Keyboards
- David Sylvian
- Camphor (Japan Bonus Track)
- 2002
- Synthesizer
- Porcupine Tree
- Metanoia
- 2002
- Synthesizer
- David Sylvian
- Camphor (Bonus CD)
- 2002
- Synthesizer
- David Sylvian
- Camphor
- 2002
- Synthesizer
- Sheila Nicholls
- Wake
- 2002
- Synthesizer
- Japan
- Exorcising Ghosts (Holland)
- 2002
- Keyboard Programming, Tape, Keyboards
- Porcupine Tree
- Stars Die: The Delerium Years '91-97
- 2002
- Electronics
- Sheila Nicholls
- Wake (DVD Audio)
- 2002
- Synthesizer
- Porcupine Tree
- Stars Die: The Delerium Years '91-97
- 2002
- Synthesizer, Prophet 5, Organ (Hammond), Keyboards
- Steve Jansen
- Playing in a Room with People
- 2001
- Keyboards, Synthesizer
- Porcupine Tree
- Recordings
- 2001
- Keyboards, Organ (Hammond), Synthesizer
- Drop Six
- Wolf & The Moon
- 2001
- Mixing Translation
- Porcupine Tree
- Lightbulb Sun (Special Edition)
- 2001
- Clavinet, Fender Rhodes, Mellotron, Organ (Hammond), Synthesizer Drums, Synthesizer
- Anja Garbarek
- Smiling & Waving
- 2001
- Analogue Synthesizer
- Midge Ure
- Little Orphans: The Black and White Sessions
- 2001
- Percussion
- Anja Garbarek
- Smiling & Waving
- 2001
- Effects
- Midge Ure
- Little Orphans: The Black and White Sessions
- 2001
- Drums, Composer
- Steve Jansen
- Medium Label Sampler
- 2000
- Group Member
- David Sylvian
- Everything and Nothing
- 2000
- Bass, Drums, Marimba, Saxophone, Synthesizer, Percussion
- Cipher
- No Ordinary Man
- 2000
- Electronics, Keyboards
- Various Artists
- Orphee
- 2000
- Performer
- Porcupine Tree
- Lightbulb Sun
- 2000
- Clavinet, Mellotron, Organ (Hammond), Synthesizer, Sound Effects, Fender Rhodes
- Porcupine Tree
- Voyage 34: The Complete Trip
- 2000
- Synthesizer
- Various Artists
- Drop 5.1
- 2000
- Assistant, Producer
- Porcupine Tree
- Coma Divine
- 1999
- Keyboards, Synthesizer
- Porcupine Tree
- Stupid Dream
- 1999
- Analogue Synthesizer, Mellotron, Organ, Organ (Hammond), Synthesizer
- Nicola Alesini
- Marco Polo, Vol. 2
- 1999
- Engineer, Keyboards
- Steve Jansen
- _Ism
- 1999
- Electronics, Organ (Hammond), Synthesizer Bass, Synthesizer Drums, Engineer, Harmonium
- Richard Barbieri
- Indigo Falls
- 1998
- Composer, Main Performer, Producer
- Steve Hogarth
- Ice Cream Genius
- 1998
- Synthesizer
- Steve Jansen
- Changing Hands
- 1998
- Engineer, Mixing, Performer, Producer, Mixing Assistant
- Various Artists
- Drop 5
- 1998
- Keyboards, Performer, Synthesizer, Producer
- David Torn
- Collection
- 1998
- Synthesizer
- Steve Jansen
- Stone to Flesh
- 1997
- Bass, Keyboard Bass, Keyboard Programming, Keyboards, Keyboard Guitar, Performer, Synthesizer, Producer
- Jakko M. Jakszyk
- Kingdom of Dust
- 1997
- ?, Engineer, Synthesizer, Keyboards
- Steve Jansen
- Seed
- 1997
- Keyboards, Mixing, Synthesizer, Programming
- Various Artists
- Spaces: A Journey into Ambient Worlds
- 1997
- Keyboards, Programming, Synthesizer
- Gota
- It's So Different Here
- 1997
- Keyboards
- Porcupine Tree
- Signify
- 1997
- Electronics, Organ (Hammond), Prophet 5, Piano
- Mick Karn
- Collector's Edition
- 1997
- Keyboards
- Porcupine Tree
- Signify
- 1997
- Sequencing, Tapes
- H
- You Dinosaur Thing
- 1997
- Synthesizer
- Porcupine Tree
- Signify
- 1997
- Synthesizer, Sequencers, Prophet Synthesizer
- Holi
- Under the Monkey Puzzle Tree
- 1996
- Synthesizer
- Various Artists
- This Is Acid Jazz: New Voices, Vol. 3
- 1996
- Keyboards
- Jakko/Barbieri/Karn
- Mustard Gas & Roses
- 1996
- Keyboards, Synthesizer
- No-Man
- Heaven Taste
- 1996
- Keyboards
- Steve Jansen
- Other Worlds in a Small Room
- 1996
- Mixing, Engineer
- No-Man
- Wild Opera
- 1996
- Sample Arrangements
- No-Man
- Heaven Taste
- 1996
- Programming
- Steve Jansen
- Other Worlds in a Small Room
- 1996
- Performer, Producer
- Porcupine Tree
- Sky Moves Sideways
- 1995
- Electronics, Keyboards
- Mick Karn
- Tooth Mother
- 1995
- Keyboard Programming, Programming, Synthesizer
- Various Artists
- Ambient, Vol. 2: Imaginary Landscapes
- 1994
- Performer, Producer
- No-Man
- Loveblows and Lovecries: A Confession
- 1994
- Keyboards
- No-Man
- Flowermouth
- 1994
- Electronics
- Richard Barbieri
- Flame
- 1994
- Main Performer, Keyboards, Producer
- Steve Jansen
- Beginning to Melt
- 1994
- ?, Keyboards, Programming, Tapes
- Various Artists
- No-Man/Richard Barbieri/Tim Bowness
- 1994
- Producer, Keyboards
- Steve Jansen
- Beginning to Melt
- 1994
- Treatments, Synthesizer, Producer, Keyboard Programming
- Richard Barbieri
- Flame
- 1994
- Synthesizer
- Porcupine Tree
- Up the Downstair
- 1993
- Electronics
- No-Man
- Sweetheart Raw
- 1993
- Keyboards
- No-Man
- Painting Paradise E.P.
- 1993
- Keyboards, Programming
- Mick Karn
- Bestial Cluster
- 1992
- Keyboards, Producer























Plus